Systems Network Architecture

Computing Dictionary

Systems Network Architecture definition

(SNA) IBM's proprietary high level networking protocol standard, used by IBM and IBM compatible mainframes.
Also referred to as "Blue Glue", SNA is a bletcherous protocol once widely favoured at commercial shops. The official IBM definition is "that which binds blue boxes together." It may be relevant that Blue Glue is also a 3M product commonly used to hold down carpets in dinosaur pens.
[Jargon File]
The Free On-line Dictionary of Computing, © Denis Howe 2010
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